CVE-2017-15597

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

An issue was discovered in Xen through 4.9.x. Grant copying code made an implication that any grant pin would be accompanied by a suitable page reference. Other portions of code, however, did not match up with that assumption. When such a grant copy operation is being done on a grant of a dying domain, the assumption turns out wrong. A malicious guest administrator can cause hypervisor memory corruption, most likely resulting in host crash and a Denial of Service. Privilege escalation and information leaks cannot be ruled out.

Metrics

CVSS 3.0 9.1/10CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.openwall.com/lists/oss-security/2017/10/24/3Issue Tracking, Mailing List, Mitigation, Third Party Advisory
http://www.securityfocus.com/bid/101564Issue Tracking, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039653Issue Tracking, Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-236.htmlIssue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://support.citrix.com/article/CTX229057Issue Tracking, Third Party Advisory
https://www.debian.org/security/2017/dsa-4050
http://www.openwall.com/lists/oss-security/2017/10/24/3Issue Tracking, Mailing List, Mitigation, Third Party Advisory
http://www.securityfocus.com/bid/101564Issue Tracking, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039653Issue Tracking, Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-236.htmlIssue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://support.citrix.com/article/CTX229057Issue Tracking, Third Party Advisory
https://www.debian.org/security/2017/dsa-4050

Timeline

Published: Oct 30, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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